The phrase "homemade bomb" refers to an explosive device constructed from readily available materials by an individual or group of people. Synonyms for this term include Improvised Explosive Device (IED), pipe bomb, and homemade explosive. Other common names for this type of device include nail bomb, pressure cooker bomb, and backpack bomb. These terms are often used in the context of terrorism and acts of violence, and the creation and use of such devices is illegal in most countries. Law enforcement agencies around the world work tirelessly to prevent the use of homemade bombs and to ensure public safety.